25223325205 has 24 divisors (see below), whose sum is σ = 32790478752. Its totient is φ = 18617886144.

The previous prime is 25223325191. The next prime is 25223325209. The reversal of 25223325205 is 50252332252.

It is not a de Polignac number, because 25223325205 - 2¹⁷ = 25223194133 is a prime.

It is a super-2 number, since 2×25223325205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25223325209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2281902 + ... + 2292928.

It is an arithmetic number, because the mean of its divisors is an integer number (1366269948).

Almost surely, 2^25223325205 is an apocalyptic number.

It is an amenable number.

25223325205 is a deficient number, since it is larger than the sum of its proper divisors (7567153547).

25223325205 is a wasteful number, since it uses less digits than its factorization.

25223325205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13765 (or 13752 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 25223325205 its reverse (50252332252), we get a palindrome (75475657457).

The spelling of 25223325205 in words is "twenty-five billion, two hundred twenty-three million, three hundred twenty-five thousand, two hundred five".